//调用原生文件系统管理器并选取文件获取文件地址
//acceptType为你要查的文件类型"image/*"，"audio/*"，"video/*;image/*"  
// intent.setType("image/*");
//intent.setType("audio/*");
//选择音频//intent.setType("video/*;image/*"); 
//选择视频 （mp4 3gp 是android支持的视频格式）
//调用原生文件系统管理器并选取文件获取文件地址
function PickFile(callback, acceptType) { //acceptType为你要查的文件类型"image/*"，"audio/*"，"video/*;image/*"  // intent.setType("image/*");//intent.setType("audio/*"); //选择音频//intent.setType("video/*;image/*"); //选择视频 （mp4 3gp 是android支持的视频格式）
	var CODE_REQUEST = 1000;
	var main = plus.android.runtimeMainActivity();
	if (plus.os.name == 'Android') {
		var Intent = plus.android.importClass('android.content.Intent');
		var intent = new Intent(Intent.ACTION_GET_CONTENT);
		intent.addCategory(Intent.CATEGORY_OPENABLE);
		if (acceptType) {
			intent.setType(acceptType);
		} else {
			intent.setType("*/*");
		}
		main.onActivityResult = function(requestCode, resultCode, data) {
			if (requestCode == CODE_REQUEST) {
				var uri = data.getData();
				plus.android.importClass(uri);
				var Build = plus.android.importClass('android.os.Build');
				var isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

				var DocumentsContract = plus.android.importClass('android.provider.DocumentsContract');
				// DocumentProvider
				if (isKitKat && DocumentsContract.isDocumentUri(main, uri)) {
					console.log("版本大于 4.4 ");
					console.log(uri.getAuthority())
					// ExternalStorageProvider
					if ("com.android.externalstorage.documents" == uri.getAuthority()) {
						var docId = DocumentsContract.getDocumentId(uri);
						var split = docId.split(":");
						var type = split[0];

						if ("primary" == type) {
							var Environment = plus.android.importClass('android.os.Environment');
							callback(Environment.getExternalStorageDirectory() + "/" + split[1]);
						} else {
							var System = plus.android.importClass('java.lang.System');
							var sdPath = System.getenv("SECONDARY_STORAGE");
							if (sdPath) {
								callback(sdPath + "/" + split[1]);
							}
						}
					}
					// 下载提供程序
					else if ("com.android.providers.downloads.documents" == uri.getAuthority()) {
						var id = DocumentsContract.getDocumentId(uri);
						var ContentUris = plus.android.importClass('android.content.ContentUris');
						var contentUri = ContentUris.withAppendedId(
							//	Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));
							Uri.parse("content://downloads/public_downloads"), id);
						callback(getDataColumn(main, contentUri, null, null));
					}
					// 媒体存储
					else if ("com.android.providers.media.documents" == uri.getAuthority()) {
						var docId = DocumentsContract.getDocumentId(uri);
						var split = docId.split(":");
						var type = split[0];

						var MediaStore = plus.android.importClass('android.provider.MediaStore');
						if ("image" == type) {
							contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
						} else if ("video" == type) {
							contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
						} else if ("audio" == type) {
							contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
						}

						var selection = "_id=?";
						var selectionArgs = new Array();
						selectionArgs[0] = split[1];
						callback(getDataColumn(main, contentUri, selection, selectionArgs));
					}
				}
				// MediaStore (and general)
				else if ("content" == uri.getScheme()) {
					callback(getDataColumn(main, uri, null, null));
				}
				// File
				else if ("file" == uri.getScheme()) {
					callback(uri.getPath());
				}
			}
		}
		main.startActivityForResult(intent, CODE_REQUEST);
	}
}
module.exports={
	PickFile,
}